QTS Dane County Hyperscale Campus (DeForest)
DeForest, WI · QTS Data Centers
Reported status: cancelled
Exact location not published.
Original source · 2026-10-22
research-final:WI:d97d862bbcf182bed5f3State research database
All supplied research, searchable
6,466 source records across 50 states and Washington, DC. Records include proposals, existing facilities, regulatory references, expansions and possible duplicates. Reported status and capacity are source claims, not certified current operation or measured demand.
6,466 matching source records
Snapshot: 2026-10-28. Review the linked evidence before relying on a claim. Related records and expansions must not be counted as additional facilities.
QTS DeForest Data Center Campus
DeForest, WI · QTS Data Centers
Reported status: cancelled
Exact location not published.
Original source · 2026-09-22
research-final:WI:021783ff1d5351df3811Data Holdings Eau Claire Data Center
Eau Claire, WI · Data Holdings LLC
Reported status: operational
Reported capacity: 1 MW operational (scope and operation unverified)
Exact location not published.
Original source · 2026-09-13
research-final:WI:cfe5bad87de4a03418b4US Signal WI02 Madison (Fitchburg)
Fitchburg, WI · US Signal
Reported status: operational
Reported capacity: 6 MW operational (scope and operation unverified)
Exact location not published.
Original source · 2026-08-18
research-final:WI:4dcf6936794d0b27516aVerizon Wireless Data Center
Fox Crossing, WI
Reported status: existing (mapped; status unverified)
Exact location not published.
Original source · 2026-10-28
research-final:WI:c1b07a24e876d0c412c4CyberLynk Franklin Data Center (MKE1)
Franklin, WI · CyberLynk Network, Inc.
Reported status: operational
Exact location not published.
Original source · 2026-09-13
Read 1 source findings (2026-10-30)
Current operator facility page confirms operating MKE1 and its Franklin address. This is distinct from the baseline MKE1 record sourced as Expedient in Franklin; identical short codes do not imply the same operator or facility. One normalized Census match. Evidence
Expedient MKE1 (Milwaukee/Franklin)
Franklin, WI · Expedient
Reported status: operational
Reported capacity: 1.6 MW operational (scope and operation unverified)
Exact location not published.
Original source · 2026-07-23
research-final:WI:03c07f9ceacd716b24d2Fredonia Data Center
Fredonia, WI
Reported status: proposed
Exact location not published.
Original source · 2026-06-18
research-final:WI:d0adf7a9da1fea464217Ethoplex Edge DC - Fond du Lac
Friendship, WI · Ethoplex
Reported status: operational
Exact location not published.
Original source · 2025-09-26
research-final:WI:4fdd0a085443bc0c9a2dEthoplex Data Center
Germantown, WI · Ethoplex
Reported status: operational
Exact location not published.
Original source · 2026-06-17
research-final:WI:49361bf8ecf9e6143572Netsonic Green Bay Data Center
Green Bay, WI · Netsonic (Dynamic Ventures LLC)
Reported status: operational
Exact location not published.
Original source · 2026-10-22
research-final:WI:c37109083d1f102269b4Cloverleaf Greenleaf Data Center Site Inquiry (Village of Greenleaf / Town of Wrightstown)
Greenleaf, WI · Cloverleaf Infrastructure (via Bear Creek DevCo LLC)
Reported status: cancelled
Exact location not published.
Original source · 2026-10-16
research-final:WI:8c696dd7964d53923579Metered Mining Hammond Bitcoin Mining Facility
Hammond, WI · Metered Mining
Reported status: approved/permitted
Reported capacity: 6 MW planned (scope and operation unverified)
Exact location not published.
Original source · 2026-09-10
research-final:WI:48aee6a2d66d462fb1f6Ark Data Centers Green Bay (Harrison Campus)
Harrison, WI · Involta (rebranded Ark Data Centers, May 2024)
Reported status: operational
Reported capacity: 20 MW planned (scope and operation unverified)
Exact location not published.
Original source · 2026-07-26
research-final:WI:995885417025bdee7f49Cascade Digital Power Hatfield Bitcoin Mine (Lake Arbutus Hydro)
Hatfield, WI · Cascade Digital Power (Digital Power Optimization)
Reported status: operational
Reported capacity: 6 MW operational (scope and operation unverified)
Exact location not published.
Original source · 2026-08-18
research-final:WI:0babcf09c0bf7d5658f6APECS Data Center Campus (Former GM Assembly Plant)
Janesville, WI · Viridian Acquisitions LLC
Reported status: proposed
Reported capacity: 800 MW planned (scope and operation unverified)
Exact location not published.
Original source · 2026-08-18
research-final:WI:de681210c8a2acc1de05Janesville Data Center
Janesville, WI
Reported status: proposed
Reported capacity: 25.00 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-18
research-final:WI:7e541bae6e5c0ec4356aTown of Janesville Data Center Inquiry (Polzin/Fenric Roads)
Janesville, WI · Undisclosed (approached through a San Diego-based consulting firm)
Reported status: proposed
Exact location not published.
Original source · 2026-09-13
research-final:WI:1027c3b8a75f0f3b9d43Viridian APECS Data Center Campus - Janesville
Janesville, WI · Viridian Partners; Viridian Acquisitions LLC
Reported status: proposed
Reported capacity: 800 MW (scope and operation unverified)
Approximate locality: approximate: Census 2024 Gazetteer place centroid for Janesville. Census 2024 Gazetteer centroid; not a verified facility pin.
Original source · 2026-06-15
research-final:WI:e13364ada7d7d459d451Viridian Data Center Campus (former GM/JATCO site)
Janesville, WI · Viridian Partners (Viridian Acquisitions LLC)
Reported status: cancelled
Reported capacity: 800 MW planned (scope and operation unverified)
Exact location not published.
Original source · 2026-09-22
research-final:WI:322b8acec2756545ba75Microsoft Data Center - Kenosha
Kenosha, WI · Microsoft
Reported status: proposed
Reported capacity: 107 MW (scope and operation unverified)
Exact location not published.
Original source · 2026-06-15
research-final:WI:f8b30a72f2bc480e8773Heartland Business Systems Little Chute Data Center
Little Chute, WI · Heartland Business Systems, LLC
Reported status: operational
Exact location not published.
Original source · 2026-09-13
Read 1 source findings (2026-10-30)
Current operator lists Little Chute colocation and its service status page reports that facility operational. Operator data-center tour at its Little Chute location and published address bind the site. One normalized Census match; no operating load inferred. Evidence
5Nines Data
Madison, WI · 5Nines Data / Network222
Reported status: operational
Exact location not published.
Original source · 2026-06-17
research-final:WI:42ccdba7cd69decd00c2612 W Main
Madison, WI · Hoyos Consulting LLC
Reported status: operational
Exact location not published.
Original source · 2026-06-17
research-final:WI:5f771f886d6f74126afaEdgeConneX Madison (EDCMAD01)
Madison, WI · EdgeConneX Inc.
Reported status: operational
Exact location not published.
Original source · 2026-06-17
research-final:WI:eeeef76fa5ee8ebd85a2EdgeConneX Madison (MAD01)
Madison, WI · EdgeConneX
Reported status: operational
Exact location not published.
Original source · 2026-09-21
research-final:WI:1d5e02479dcffeb08679Lumen Madison 1
Madison, WI · Lumen Technologies
Reported status: operational
Exact location not published.
Original source · 2026-07-22
research-final:WI:ad22e3e31586f2a7475dNetwork 222
Madison, WI · Fiore Companies
Reported status: operational
Exact location not published.
Original source · 2026-06-17
research-final:WI:9db495958daeed858bb0SupraNet Madison Data Center
Madison, WI · SupraNet Communications, Inc.
Reported status: operational
Exact location not published.
Original source · 2026-09-13
Read 1 source findings (2026-10-30)
Current operator explicitly offers its local Madison colocation facility. The site-wide contact address is not independently established as the data-center premises, so no headquarters pin is substituted. No current operating capacity is asserted. Evidence
Team Madison Data Center
Madison, WI
Reported status: existing (EPA facility record; status unverified)
Regulatory reference: FRS facility point (stated accuracy 30 m). EPA FRS/ECHO; not a verified facility pin.
Original source · 2026-10-28
research-final:WI:91c619dcaf0bac40345c